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1996 ESC
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47 Posts
Discussion Starter #1
I just changed the blend door motor .. my car was blowing hot air out 2 vents and cold out the others .. its put back together and doing same thing...theres no current codes ,, any ideas please n TY
 

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Master of the Dark Art of Diagnostics
2003 DHS - two-2002 DHS, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
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19,849 Posts
I just changed the blend door motor .. my car was blowing hot air out 2 vents and cold out the others .. its put back together and doing same thing...theres no current codes ,, any ideas please n TY
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need MORE - SPECIFIC - information -

which side blows cold -
which side blows hot -
is it actually HOT - or just hotTER than the other side -
do the vent temps change if you adjust the cabin air temp -

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the mix door actuators move the doors that direct air flow through
either the heater core or the evaporator core

there are TWO of these actuators -
one for the driver side and one for the passenger side -

WHICH of the TWO actuators did you replace?

is the arm of the actuator connected to the mix door -

do the mix doors move freely -

did you observe the mix doors move as you adjusted the cabin temp settings from HOT to COLD -

if you disconnect the mix door actuator and manually move the mix door to the full COLD position
do you get cold air from the selected vents -
 
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